package net.nandleon.AgenceVoyage.client.login;

import java.util.Date;
import java.util.Map;

import org.apache.catalina.util.MD5Encoder;

import net.nandleon.AgenceVoyage.client.event.EventBus;
import net.nandleon.AgenceVoyage.client.event.loginEvent.LoginEvent;
import net.nandleon.AgenceVoyage.client.event.loginEvent.LoginEventHandler;
import net.nandleon.AgenceVoyage.client.ressources.Ressources;
import net.nandleon.AgenceVoyage.client.services.LoginService;
import net.nandleon.AgenceVoyage.client.services.LoginServiceAsync;
import net.nandleon.AgenceVoyage.shared.Panier;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiFactory;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.*;


public class Login extends DialogBox {

	private static final Binder binder = GWT.create(Binder.class);
	interface Binder extends UiBinder<Widget, Login> {}
    private final LoginServiceAsync loginService = GWT.create(LoginService.class);
    static {
    	Ressources.INSTANCE.uiLoginStyle().ensureInjected();  
    }

    
	@UiField
	TextBox labelLogin;
	
	@UiField
	PasswordTextBox labelPassword;
	
	@UiField
	Button buttonConnect;
	  

	public Login() {
		
		binder.createAndBindUi(this);
		
	}
	
	@UiFactory
	  DialogBox thatsJustMe() {
	     // UiBinder will call this to get a DialogBox instance
	     // and this is the DialogBox instance we want to use
	     return this;
	  }
	

	@UiHandler("buttonConnect")
	  void handleClick(ClickEvent e) {

            loginService.login(labelLogin.getValue(), md5(labelPassword.getValue()),
                    new AsyncCallback<String>() {
                        @Override
                        public void onFailure(Throwable caught) {
                            Window.alert("Server communication error");
                        }

                        @Override
                        public void onSuccess(String result) {
                        	
                        	if(result != null){
 
	                          getInformations(result);
	                          	                            
	                            String sessionID = result; /*(Get sessionID from server's response to your login request.)*/;
	                            final long DURATION = 1000 * 60 * 60 * 24 * 14; //duration remembering login. 2 weeks in this example.
	                            Date expires = new Date(System.currentTimeMillis() + DURATION);
	                            Cookies.removeCookie("sid");
	                            Cookies.setCookie("sid", sessionID, expires, null, "/", false);
	                            
	                          
                        	}
                        	else{
                        		Window.alert("Mauvais couple Utilisateur/Mot de passe");
                        	}
                            hide();
                            
                        }


                    });

	  }

	private void getInformations(String result) {
		final Map resultatInfo =null;
		 loginService.verifyLogin(result,
                 new AsyncCallback<Map>() {
                     @Override
                     public void onFailure(Throwable caught) {
                         Window.alert("Server communication error");
                     }

                     @Override
                     public void onSuccess(Map result) {
                    	 LoginEvent event = new LoginEvent();
                    	 event.setContent("Bienvenue "+result.get("nom"));
                    	  if(result.get("nom").toString().equals("root")){
                          	event.setIsRoot(true);
                          }
                          
                          event.setMonPanier((Panier) result.get("panier"));
                          EventBus.bus.fireEvent(event);
                         
                     }
                 });

		 
	}
	
	public static native String md5(String string) /*-{ 
    function RotateLeft(lValue, iShiftBits) { 
    return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); 
    } 
    function AddUnsigned(lX,lY) { 
    var lX4,lY4,lX8,lY8,lResult; 
    lX8 = (lX & 0x80000000); 
    lY8 = (lY & 0x80000000); 
    lX4 = (lX & 0x40000000); 
    lY4 = (lY & 0x40000000); 
    lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); 
    if (lX4 & lY4) { 
    return (lResult ^ 0x80000000 ^ lX8 ^ lY8); 
    } 
    if (lX4 | lY4) { 
    if (lResult & 0x40000000) { 
    return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); 
    } else { 
    return (lResult ^ 0x40000000 ^ lX8 ^ lY8); 
    } 
    } else { 
    return (lResult ^ lX8 ^ lY8); 
    } 
    } 
    function F(x,y,z) { return (x & y) | ((~x) & z); } 
    function G(x,y,z) { return (x & z) | (y & (~z)); } 
    function H(x,y,z) { return (x ^ y ^ z); } 
    function I(x,y,z) { return (y ^ (x | (~z))); } 
    function FF(a,b,c,d,x,s,ac) { 
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); 
    return AddUnsigned(RotateLeft(a, s), b); 
    }; 
    function GG(a,b,c,d,x,s,ac) { 
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); 
    return AddUnsigned(RotateLeft(a, s), b); 
    }; 
    function HH(a,b,c,d,x,s,ac) { 
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); 
    return AddUnsigned(RotateLeft(a, s), b); 
    }; 
    function II(a,b,c,d,x,s,ac) { 
    a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); 
    return AddUnsigned(RotateLeft(a, s), b); 
    }; 
    function ConvertToWordArray(string) { 
    var lWordCount; 
    var lMessageLength = string.length; 
    var lNumberOfWords_temp1=lMessageLength + 8; 
    var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 
% 64))/64; 
    var lNumberOfWords = (lNumberOfWords_temp2+1)*16; 
    var lWordArray=Array(lNumberOfWords-1); 
    var lBytePosition = 0; 
    var lByteCount = 0; 
    while ( lByteCount < lMessageLength ) { 
    lWordCount = (lByteCount-(lByteCount % 4))/4; 
    lBytePosition = (lByteCount % 4)*8; 
    lWordArray[lWordCount] = (lWordArray[lWordCount] | 
(string.charCodeAt(lByteCount)<<lBytePosition)); 
    lByteCount++; 
    } 
    lWordCount = (lByteCount-(lByteCount % 4))/4; 
    lBytePosition = (lByteCount % 4)*8; 
    lWordArray[lWordCount] = lWordArray[lWordCount] | 
(0x80<<lBytePosition); 
    lWordArray[lNumberOfWords-2] = lMessageLength<<3; 
    lWordArray[lNumberOfWords-1] = lMessageLength>>>29; 
    return lWordArray; 
    }; 
    function WordToHex(lValue) { 
    var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; 
    for (lCount = 0;lCount<=3;lCount++) { 
    lByte = (lValue>>>(lCount*8)) & 255; 
    WordToHexValue_temp = "0" + lByte.toString(16); 
    WordToHexValue = WordToHexValue + 
WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); 
    } 
    return WordToHexValue; 
    }; 
    function Utf8Encode(string) { 
    string = string.replace(/\r\n/g,"\n"); 
    var utftext = ""; 
    for (var n = 0; n < string.length; n++) { 
    var c = string.charCodeAt(n); 
    if (c < 128) { 
    utftext += String.fromCharCode(c); 
    } 
    else if((c > 127) && (c < 2048)) { 
    utftext += String.fromCharCode((c >> 6) | 192); 
    utftext += String.fromCharCode((c & 63) | 128); 
    } 
    else { 
    utftext += String.fromCharCode((c >> 12) | 224); 
    utftext += String.fromCharCode(((c >> 6) & 63) | 128); 
    utftext += String.fromCharCode((c & 63) | 128); 
    } 
    } 
    return utftext; 
    }; 
    var x=Array(); 
    var k,AA,BB,CC,DD,a,b,c,d; 
    var S11=7, S12=12, S13=17, S14=22; 
    var S21=5, S22=9 , S23=14, S24=20; 
    var S31=4, S32=11, S33=16, S34=23; 
    var S41=6, S42=10, S43=15, S44=21; 
    string = Utf8Encode(string); 
    x = ConvertToWordArray(string); 
    a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; 
    for (k=0;k<x.length;k+=16) { 
    AA=a; BB=b; CC=c; DD=d; 
    a=FF(a,b,c,d,x[k+0], S11,0xD76AA478); 
    d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756); 
    c=FF(c,d,a,b,x[k+2], S13,0x242070DB); 
    b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE); 
    a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF); 
    d=FF(d,a,b,c,x[k+5], S12,0x4787C62A); 
    c=FF(c,d,a,b,x[k+6], S13,0xA8304613); 
    b=FF(b,c,d,a,x[k+7], S14,0xFD469501); 
    a=FF(a,b,c,d,x[k+8], S11,0x698098D8); 
    d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF); 
    c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); 
    b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); 
    a=FF(a,b,c,d,x[k+12],S11,0x6B901122); 
    d=FF(d,a,b,c,x[k+13],S12,0xFD987193); 
    c=FF(c,d,a,b,x[k+14],S13,0xA679438E); 
    b=FF(b,c,d,a,x[k+15],S14,0x49B40821); 
    a=GG(a,b,c,d,x[k+1], S21,0xF61E2562); 
    d=GG(d,a,b,c,x[k+6], S22,0xC040B340); 
    c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); 
    b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA); 
    a=GG(a,b,c,d,x[k+5], S21,0xD62F105D); 
    d=GG(d,a,b,c,x[k+10],S22,0x2441453); 
    c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); 
    b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8); 
    a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6); 
    d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); 
    c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87); 
    b=GG(b,c,d,a,x[k+8], S24,0x455A14ED); 
    a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); 
    d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8); 
    c=GG(c,d,a,b,x[k+7], S23,0x676F02D9); 
    b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); 
    a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942); 
    d=HH(d,a,b,c,x[k+8], S32,0x8771F681); 
    c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); 
    b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); 
    a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44); 
    d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9); 
    c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60); 
    b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); 
    a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); 
    d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA); 
    c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085); 
    b=HH(b,c,d,a,x[k+6], S34,0x4881D05); 
    a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039); 
    d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); 
    c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); 
    b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665); 
    a=II(a,b,c,d,x[k+0], S41,0xF4292244); 
    d=II(d,a,b,c,x[k+7], S42,0x432AFF97); 
    c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); 
    b=II(b,c,d,a,x[k+5], S44,0xFC93A039); 
    a=II(a,b,c,d,x[k+12],S41,0x655B59C3); 
    d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92); 
    c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); 
    b=II(b,c,d,a,x[k+1], S44,0x85845DD1); 
    a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F); 
    d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); 
    c=II(c,d,a,b,x[k+6], S43,0xA3014314); 
    b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); 
    a=II(a,b,c,d,x[k+4], S41,0xF7537E82); 
    d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); 
    c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB); 
    b=II(b,c,d,a,x[k+9], S44,0xEB86D391); 
    a=AddUnsigned(a,AA); 
    b=AddUnsigned(b,BB); 
    c=AddUnsigned(c,CC); 
    d=AddUnsigned(d,DD); 
    } 
    var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); 
    return temp.toLowerCase(); 
    }-*/; 
	
}
